This Plot Shows the Highest Flow Event That Occurred Each

Multiple Choice

This plot shows the highest flow event that occurred each year on the Yellowstone River between 1924 and the 1990's.What is the maximum size of flood that probably can occur here?

A) up to 8,000 cubic meters per second
B) more than 8,000 cubic meters per second and less than 9,000 cubic meters per second
C) anything less than 9,000 cubic meters per second
D) more than 9,000 cubic meters per second is possible